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目的分析陕西省流行性乙型脑炎(乙脑)的流行病学特征,为制定乙脑预防控制措施提供依据。方法采用Excel软件进行描述流行病学分析。结果陕西省1960~2004年乙脑发病率呈下降趋势;发病季节前移;高发地区为陕西省南部的汉中、安康市;发病者中<15岁占80.68%,发病者多数在农村。结论提高乙脑疫苗接种率,开展乙脑病例监测,在高发地区及农村进行重点控制,是降低陕西省乙脑发病率的必要措施。
Objective To analyze the epidemiological characteristics of Japanese encephalitis (JE) in Shaanxi Province and provide evidence for the prevention and control measures of JE. Methods Excel software was used to describe the epidemiological analysis. Results The incidence of Japanese encephalitis showed a decreasing trend from 1960 to 2004 in Shaanxi Province. The onset of the disease season shifted forward. The high incidence areas were Hanzhong and Ankang in the southern part of Shaanxi Province. The incidence rate was 80.68% in <15 years of age, most of which were in rural areas. Conclusions Increasing the vaccination rate of Japanese encephalitis and monitoring the Japanese encephalitis cases and carrying out key control in high incidence areas and rural areas are necessary measures to reduce the incidence of Japanese encephalitis in Shaanxi Province.